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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is dependent upon

Density
Pressure
Flow
Distance

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Hydraulics and Fluid Mechanics in ME
The dynamic viscosity of the liquid __________ with rise in temperature.

None of these
Increases
Decreases
Remain unaffected

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Hydraulics and Fluid Mechanics in ME
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid)

wH/2
wH2/3
wH
wH2/2

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Hydraulics and Fluid Mechanics in ME
Centre of pressure compared to e.g. is

below it
above it
above or below depending on area of body
at same point

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Hydraulics and Fluid Mechanics in ME
The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced.

Less than
More than
Equal to
None of these

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Hydraulics and Fluid Mechanics in ME
If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

7.141 H5/2
4.171 H5/2
1.417 H5/2
0.417 H5/2

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